linux-toradex.git/drivers/cpufreq/amd-pstate-trace.h, branch v6.4-rc6 Linux kernel for Apalis and Colibri modules cpufreq: amd-pstate: Add more tracepoint for AMD P-State module 2022-03-09T18:53:01+00:00 Jinzhou Su Jinzhou.Su@amd.com 2022-03-09T01:23:48+00:00 23c296fb7eeea99dec035521c07ae54c28b8a267 Add frequency, mperf, aperf and tsc in the trace. This can be used to debug and tune the performance of AMD P-state driver. Use the time difference between amd_pstate_update to calculate CPU frequency. There could be sleep in arch_freq_get_on_cpu, so do not use it here. Signed-off-by: Jinzhou Su <Jinzhou.Su@amd.com> Co-developed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> 
Add frequency, mperf, aperf and tsc in the trace. This can be used
to debug and tune the performance of AMD P-state driver.

Use the time difference between amd_pstate_update to calculate CPU
frequency. There could be sleep in arch_freq_get_on_cpu, so do not
use it here.

Signed-off-by: Jinzhou Su <Jinzhou.Su@amd.com>
Co-developed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
cpufreq: amd-pstate: Add trace for AMD P-State module 2021-12-30T17:51:39+00:00 Huang Rui ray.huang@amd.com 2021-12-24T01:05:03+00:00 60e10f896dbf6d78f912e4972081bd4119131376 Add trace event to monitor the performance value changes which is controlled by cpu governors. Signed-off-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> 
Add trace event to monitor the performance value changes which is
controlled by cpu governors.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>